Understanding the Abdomen Anatomy
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Questions and Answers

What is the area occupied by the abdomen called?

  • Abdominal cavity (correct)
  • Pelvic brim
  • Parietal peritoneum
  • Thorax
  • In humans, the abdomen stretches from the thorax at the thoracic diaphragm to the pelvis at the _______.

  • Cephalothorax
  • Lumbosacral joint (correct)
  • Inferior vena cava
  • Ventral wall
  • What encloses the abdominal cavity in vertebrates?

  • Pelvic brim
  • Cephalothorax
  • Abdominal wall (correct)
  • Paravertebral muscles
  • What is the boundary of the abdominal cavity?

    <p>Thoracic diaphragm</p> Signup and view all the answers

    What membrane lines both the abdominal and pelvic cavities?

    <p>Parietal peritoneum</p> Signup and view all the answers

    What is the term for the part of the body between the thorax and pelvis in humans and other vertebrates?

    <p>Abdominal cavity</p> Signup and view all the answers

    In arthropods, which part of the body follows the thorax or cephalothorax?

    <p>Posterior tagma</p> Signup and view all the answers

    What structure connects the abdominal and pelvic cavities in vertebrates at the back?

    <p>Lumbosacral joint</p> Signup and view all the answers

    Which membrane lines the organs within the abdominal and pelvic cavities?

    <p>Parietal peritoneum</p> Signup and view all the answers

    What is the edge of the pelvic inlet called, stretching from the lumbosacral joint to the pubic symphysis?

    <p>Pelvic brim</p> Signup and view all the answers

    What is the main function of the mesentery?

    <p>Storing fat and allowing blood vessels, lymphatics, and nerves to supply the intestines</p> Signup and view all the answers

    How was the mesocolon previously thought to be structured?

    <p>As a fragmented structure with separately terminating parts</p> Signup and view all the answers

    What is the shape and direction of the root of the mesentery?

    <p>Narrow and obliquely directed from the duodenojejunal flexure to the right sacroiliac joint</p> Signup and view all the answers

    Where does the root of the mesentery extend to?

    <p>From the duodenojejunal flexure to the ileocaecal junction</p> Signup and view all the answers

    Where is the small intestine located in relation to other structures in the abdominal cavity?

    <p>Centrally, behind the transverse colon and greater omentum</p> Signup and view all the answers

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